CN101668336B - Method and equipment for MIMO transmission of high-speed packet access evolution system - Google Patents
Method and equipment for MIMO transmission of high-speed packet access evolution system Download PDFInfo
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- H—ELECTRICITY
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- H04L5/00—Arrangements affording multiple use of the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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Abstract
The invention provides a method and a device for MIMO transmission of a high-speed packet access evolution system, wherein the method comprises the following steps: determining each signaling on a high-speed shared information channel HS-SICH; multiplexing all signaling as HS-SICH signaling; and carrying out channel coding on the HS-SICH signaling, and mapping the HS-SICH signaling to the allocated code channel resources. The invention can realize the support of the TDD HSPA + system to the MIMO technology, and improve the data transmission rate and the system throughput.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of method and apparatus of high-speed packet access evolution system MIMO transmission.
Background technology
High-speed packet inserts (HSPA; High Speed Packet Access) for the data service of supporting higher rate, lower time delay, higher throughput and the availability of frequency spectrum, the better covering of high data rate traffic is proposed; It comprises that high speed downlink packet inserts (HSDPA; HighSpeedDownlink Packet Access) and high speed uplink packet insert (HSUPA, High Speed Uplinkpacket access) two kinds of technology.Wherein, the HSDPA technology is that TD SDMA inserts enhancing and the evolution of (TD-SCDMA, Time Division-Synchronous Code Division Multiple Access) standard at wireless portion, improves the transmission rate of downlink data significantly.At time division duplex (TDD; Time Division Duplexing) high-speed shared information channel (HS-SICH, High-Speed Shared Infornation Channel) that increases newly among the HSDPA is responsible for carrying to high speed descending sharing channel (HS-DSCH as the upload control physical channel; High Speed Downlink SharedChannel) the automatic repeat requests (HARQ of mixing of last data; Hybrid-Automatic RepeatreQuest) affirmation information (ACK/NACK) and channel quality indication (CQI) information (CQI, Channel QualityIndicator) carry through-put power control (TPC in addition; Transmit Power Control) and simultaneous bias (SS; Synchronisation Shift) information, but do not have transformat combination indication (TFCI, Transport Format Combination Indicator).The code channel of 1 up spreading factor of a HS-SICH channel occupancy (Spread Factor) SF=16, and all take time slot #5.The physical channel of HS-SICH for sharing makes a plurality of users use identical spreading code simultaneously, distinguishes through orthogonal sequence between the user.The signaling that HS-SICH carries is as shown in table 1.
| The HARQ confirmation | 1bit | 1-ACK，0-NACK |
| RTBS | 6bits | The transmission block size that UE recommends |
| RMF | 1bit | The modulation system that UE recommends, 0-QPSK, 1-16QAM |
[0004]
| SS | The down-going synchronous control word | |
| TPC | The downlink power control control word |
Table 1
When downlink data need send; Node B at first sends descending scheduling and control information on the HS-SCCH channel, on follow-up High-Speed Physical Downlink Shared Channel (HS-PDSCH, High-Speed Physical Downlink Shared Channel), the HSDPA data are arranged to the UE indication; UE receives transmission block through understanding the HS-SCCH channel; Utilize corresponding HS-SICH channel to Node B feeding back ACK/nack message again, and channel quality indication (CQI) information, transmission block size (RTBS promptly recommended; Recommended Transmission Block Size) and recommend modulation system (RMF, RecommendedModulation Format).
HSPA+ is the downward evolution version of HSPA, is the technology that the up-downgoing ability strengthens.In HSPA+, introduced multiple-input and multiple-output (MIMO, Multiple Input Multiple Output) technology, with the message transmission rate and the capacity of further raising system.The hardware of considering UE realizes and problem such as cost loss that the MIMO scheme in HSPA+ can be supported the stream transmission of down link at most.
When in TDD HSPA+ system, carrying out the MIMO stream transmission, one road high-speed data-flow is divided into 2 tunnel parallel rate data streams, again through coding, interweave, modulation etc.Because 2 circuit-switched data stream can use different coding speed and sign map, so the information bit number of being distributed on each stream also has nothing in common with each other.Each data flow is further divided into C substreams (C is the defined HS-PDSCH maximum number of UE ability), and every substreams is launched by many antennas after spread spectrum, scrambling again.
In order to support the emission of MIMO double fluid; Need on the HS-SICH channel, feed back the affirmation of UE to the double-current data of reception; And be recommended in transmission block size and modulation system on data flow number and each data flow in the next Transmission Time Interval (TTI, TransmissionTime Interval) to Node B.Obviously, existing HSDPA HS-SICH can't realize.
Summary of the invention
In view of this, the present invention provides a kind of method and apparatus of high-speed packet access evolution system MIMO transmission, to realize the support of TDD HSPA+ system to the MIMO technology, improves message transmission rate and throughput of system.
For addressing the above problem, technical scheme provided by the invention is following:
A kind of method of high-speed packet access evolution system MIMO transmission comprises:
Confirm each signaling on the high-speed shared information channel HS-SICH;
With all signal multiplexes as the HS-SICH signaling;
The HS-SICH signaling is carried out chnnel coding, and be mapped on the code channel resource of distribution.
A kind of method of high-speed packet access evolution system MIMO transmission comprises:
Confirm each signaling on the high-speed shared information channel HS-SICH, and confirm to carry the code channel resource of HS-SICH according to downlink traffic channel data flow number;
Each signaling on the HS-SICH is encoded separately respectively;
With all signal multiplexes behind the coding, and be mapped on the code channel resource of definite carrying HS-SICH.
A kind of subscriber equipment comprises:
Signaling is confirmed the unit, is used for confirming each signaling on the high-speed shared information channel HS-SICH;
Multiplexing Unit confirms that with said signaling the unit links to each other, and is used for all signal multiplexes as the HS-SICH signaling;
Coding unit links to each other with said Multiplexing Unit, is used for the HS-SICH signaling is carried out chnnel coding;
Map unit links to each other with said coding unit, is used for chnnel coding is mapped to the code channel resource of distribution.
A kind of subscriber equipment comprises:
Confirm the unit, be used for confirming each signaling on the high-speed shared information channel HS-SICH, and confirm to carry the code channel resource of HS-SICH according to downlink traffic channel data flow number;
Coding unit links to each other with said definite unit, is used for each signaling on the HS-SICH is encoded separately respectively;
Multiplexing Unit links to each other with said coding unit, is used for all signal multiplexes behind the coding;
Map unit links to each other with said Multiplexing Unit, is used for the output of Multiplexing Unit is mapped to the code channel resource of definite carrying HS-SICH.
Can find out by above technical scheme provided by the invention; The present invention through expanding and the HS-SICH channel architecture of revising among the existing HSDPA, uses new encoding scheme in TDD HSPA+ system; Carry the HS-SICH of MIMO pattern with more code channel resource; And be not limited to the code channel of 1 SF=16 of prior art standard, make it possible in HSPA+, support better descending MIMO transmission, thereby can improve message transmission rate and throughput of system.
Description of drawings
Fig. 1 is the flow chart of method first embodiment of the HSPA+ MIMO of system transmission of the present invention;
Fig. 2 is the flow chart of method second embodiment of the HSPA+ MIMO of system transmission of the present invention;
Fig. 3 is the flow chart of method the 3rd embodiment of the HSPA+ MIMO of system transmission of the present invention;
Fig. 4 is the flow chart of method the 4th embodiment of the HSPA+ MIMO of system transmission of the present invention;
Fig. 5 is the structural representation of subscriber equipment first embodiment of the present invention;
Fig. 6 is the structural representation of subscriber equipment second embodiment of the present invention;
Fig. 7 is the structural representation of subscriber equipment the 3rd embodiment of the present invention;
Fig. 8 is the structural representation of subscriber equipment the 4th embodiment of the present invention.
Embodiment
In order to make those skilled in the art better understand the present invention, method of the present invention is elaborated below in conjunction with accompanying drawing and specific embodiment.
The present invention is in order to realize the support of TDD HSPA+ system to the MIMO stream transmission; Control signaling on the HS-SICH channel is expanded and modification; Make and to feed back the affirmation of UE on the HS-SICH channel the double-current data of reception; And transmission block size and modulation system on the data flow number in Node B is recommended in next TTI and each data flow, make and can support the MIMO technology among the HSPA+ better, thereby improve message transmission rate and throughput of system.
With respect to single current HS-SICH, double fluid the time need expand the control signaling on the HS-SICH, and its signaling length will inevitably increase, if still adopt the code channel of 1 SF=16 to carry the HS-SICH channel, and receptivity that will degraded channel.For this reason, through increasing the code channel resource that carries HS-SICH, guarantee that the signaling of this channel can be received preferably in the embodiment of the invention.
Can the each several part signaling information on the HS-SICH channel being multiplexed into earlier together of the method for the HSPA+ MIMO of system transmission of the present invention; Encode then; Be placed on than the more code channel resource of existing standard and carry, such as the code channel of a SF=8, even the code channel of lower SF.
In addition; The method of the HSPA+ MIMO of system transmission of the present invention can also be used the encoding scheme that is similar to HS-SICH in the existing standard; The each several part signaling information that is about on the HS-SICH channel is encoded separately respectively; The output of will encoding is again carried out multiplexing, after interweaving, selects the relevant code track resource bearing adaptively.
In the embodiment of the invention, comprise two kinds of situation of single current and double fluid in the MIMO pattern.Because the MIMO pattern always is not to use double fluid to launch data, when channel condition is relatively poor,, need switch to the single current emission in order to guarantee the transmission quality of data; And when channel condition takes a turn for the better, switch to the double fluid emission again.Therefore, in embodiments of the present invention, the signaling information that HS-SICH comprises can be supported single current, can support double fluid again.
Because system works still is that the MIMO pattern can be by high-level signaling Radio Resource control (RRC in non-MIMO pattern; Radio Resource Control) disposes; Promptly high-rise according to factors such as real-time type of service, amount of user data, channel circumstances; Which kind of mode of operation decision adopts in certain period, said non-MIMO pattern is meant the mode of operation of not introducing the MIMO technology among the HSDPA, and said MIMO pattern is meant the mode of operation of introducing the MIMO technology in the TDD HSPA+ system.Therefore, can confirm each the signaling information right and wrong MIMO pattern on the HS-SICH according to the residing mode of operation of current system, or the MIMO pattern.If right and wrong MIMO pattern adopts design and the channel coding schemes identical with prior art standard signaling to get final product.Only be elaborated below to design of the signaling in the embodiment of the invention under the MIMO pattern situation and channel coding schemes.
With reference to Fig. 1, be the flow chart of method first embodiment of the HSPA+ MIMO of system transmission of the present invention, mainly may further comprise the steps:
Need to prove and since single current and when double fluid required each signaling information length different, so also difference of the signaling total length on the HS-SICH under the different data streams number;
Can adopt cyclic redundancy code (CRC, Cyclic Redundancy Code) verification, carry out the CRC verification and can help mistake piece statistics, be used for auxiliary external circule power control; In addition, also can use the XOR of CRC and UE sign to carry out verification;
If the bit length that the output sequence length after the chnnel coding can be carried greater than the code channel resource that is distributed then can carry out the deletion of suitable bit,, then do not need to delete if be no more than the bit length that the code channel resource that distributed can carry;
In this embodiment; Each several part signaling information on the HS-SICH channel is multiplexed into earlier together; Encode then; Be placed on than the more code channel resource of existing standard and carry, can feed back the affirmation of UE on the HS-SICH channel the double-current data of reception thereby make, and transmission block size and modulation system on the data flow number in Node B is recommended in next TTI and each data flow.
Correspondingly, when Node B receives HS-SICH,,, following two kinds of situation are arranged so rate matching pattern is different because single current is different with the original signaling bit sequence length of double fluid:
(1) if UE feeds back HS-SICH according to the downlink traffic channel data flow number that Node B sends, then Node B can detect HS-SICH according to the data flow number that this knows, knows data flow number and corresponding signaling information;
(2) if Node B is not sure of the HS-SICH of UE feedback to several data flow, then Node B need carry out blind Detecting to HS-SICH according to single current and double-current dual mode, knows data flow number and corresponding signaling information.Said blind Detecting be meant the base station respectively according to single current with the double fluid two kinds of HS-SICH coded system go the decoding; Promptly use the rate-matched in single current HS-SICH when coding to delete surplus pattern and go decoding, the rate-matched when re-using double-current HS-SICH coding is deleted surplus pattern and is gone decoding.Certainly, the rate-matched in the time of also can using double-current HS-SICH to encode is earlier deleted surplus pattern and is gone decoding, and the rate-matched when re-using single current HS-SICH coding is deleted surplus pattern and gone decoding.Owing to have only the surplus pattern of deleting of use correct; It is correct to decode, and therefore under the prerequisite of not knowing the data flow number that HS-SICH is directed against, decodes with single current and double-current dual mode respectively; If which decoding is correct, explain that then HS-SICH is which kind of data flow that is directed against.
Preferably, can come preferentially to choose the speed of use according to the data flow number that HS-SICH was directed against that the last time receives.The HS-SICH that receives such as the last time is to single current, and the rate-matched when then preferentially using single current HS-SICH coding is deleted surplus pattern and gone decoding, can improve probability of successful of decoding like this, reduces the workload that Node B carries out blind check.
In the above-described embodiments, MIMO pattern single current is different with the HS-SICH signaling total length in when double fluid, and Node B needs blind Detecting to know data flow number and signaling information accordingly.In order further to reduce the complexity that Node B receives, can also the HS-SICH signaling total length of single current and double fluid be made as identically, Node B passes through one-time detection and gets final product.
Need to prove that in above-mentioned steps 101, UE confirms each signaling on the HS-SICH according to the downlink traffic channel data flow number that receives.In practical application, UE also can confirm each signaling on the HS-SICH according to channel condition; If the next downlink traffic channel of subscriber equipment suggestion adopts single current to send, then HS-SICH goes up the signaling of carrying single current; If the downlink traffic channel of subscriber equipment suggestion next time adopts double fluid to send, then HS-SICH goes up and carries double fluid.
With reference to Fig. 2, be the flow chart of method second embodiment of the HSPA+ MIMO of system transmission of the present invention, mainly may further comprise the steps:
Need to prove and since single current and when double fluid required each signaling information length different, so also difference of the signaling total length on the HS-SICH under the different data streams number;
Step 204 is carried out verification;
Can adopt cyclic redundancy code (CRC, Cyclic Redundancy Code) verification, carry out CRC check and can help mistake piece statistics, be used for auxiliary external circule power control, still can use the XOR of CRC and UE sign to carry out verification;
Step 205 is encoded to channel, such as adopting convolution code;
Step 206 is carried out rate-matched;
If the bit length that the output sequence length after the chnnel coding can be carried greater than the code channel resource that is distributed then can carry out the deletion of suitable bit,, then do not need to delete if be no more than the bit length that the code channel resource that distributed can carry;
Step 207 interweaves;
In this embodiment; Each several part signaling information on the HS-SICH channel is multiplexed into earlier together; Encode then; Be placed on than the more code channel resource of existing standard and carry, can feed back the affirmation of UE on the HS-SICH channel the double-current data of reception thereby make, and transmission block size and modulation system on the data flow number in Node B is recommended in next TTI and each data flow.
Correspondingly, when Node B receives HS-SICH,, promptly adopted identical code rate and rate-matched, so Node B only need detect the signaling information that once can obtain on the HS-SICH because single current signaling length on the HS-SICH when double-current is identical.Following two kinds of situation are arranged:
(1) if UE feeds back HS-SICH according to the downlink traffic channel data flow number that Node B sends, then Node B gets final product one-time detection HS-SICH according to this data flow number that knows;
(2) if Node B is not sure of the HS-SICH of UE feedback to several data flow, then Node B need be known data flow number and corresponding signaling information to the one-time detection of HS-SICH.At this moment; Node B can judge that the signaling information on the HS-SICH is single current or double fluid according to the bit of filler, is 6bits such as the RTBS under the single current, and the RTBS under the double fluid is 12bits; Can fill 0 of 6 bits to the RTBS under the single current so, total length also is 12bits like this.Behind the Node B decoding HS-SICH, read the filler of this 6bits earlier, if be complete 0, then explanation is single current HS-SICH, if right and wrong 0 then explain it is double-current HS-SICH.After having judged the data flow number, Node B reads each signaling information from significance bit.
Need to prove that in above-mentioned steps 201, UE confirms each signaling on the HS-SICH according to the downlink traffic channel data flow number that receives.In practical application, UE also can confirm each signaling on the HS-SICH according to channel condition; If the next downlink traffic channel of subscriber equipment suggestion adopts single current to send, then HS-SICH goes up the signaling of carrying single current; If the downlink traffic channel of subscriber equipment suggestion next time adopts double fluid to send, then HS-SICH goes up and carries double fluid.
With reference to Fig. 3, be the coding of HS-SICH among method the 3rd embodiment of the HSPA+ MIMO of system of the present invention transmission and multiplexing flow chart:
In this embodiment; Confirm each signaling information on the HS-SICH according to the residing mode of operation of current system; If the MIMO pattern, then UE confirms each signaling on the HS-SICH according to the downlink traffic channel data flow number that receives, and confirms to carry the code channel resource of HS-SICH.
If UE need feed back single current HS-SICH, then confirm each signaling information on the single current, again each signaling to be encoded separately, coding method is identical with prior art.Each several part signaling output behind the coding is carried out multiplexing, interweaved again, when physical channel shine upon, use the code channel carrying of 1 SF=16 then.
If UE need feed back double-current HS-SICH, then confirm each signaling information on the double fluid, again each signaling is encoded separately.Owing to be the double-current signaling of feedback at this moment; To double when therefore signaling is than single current, therefore select for use the code channel of 1 SF=8 to carry HS-SICH, be equivalent to double than the code channel resource of single current HS-SICH; All encode for ACK, RMF, RTBS signaling on each stream in the double fluid so according to the coding method and the code rate of prior art; And then be multiplexed into together, after interweaving, the code channel by 1 SF=8 when physical channel shines upon carries.Rankine-Hugoniot relations between the signaling of two streams can be arbitrarily, but must make an appointment, like this Node B decoding during HS-SICH just can with the employed signaling of UE put in order consistent, thereby know corresponding signaling information.
Among Fig. 3, the feedback control signaling of two data flow is encoded separately respectively, can adopt the encoding scheme identical with prior art.If UE need feed back single current HS-SICH, a data flow of then only getting among the figure gets final product, and when physical channel shines upon, uses the code channel of 1 SF=16 to carry; If UE need feed back double-current HS-SICH, the feedback signaling of two data flow in then scheming is each own coding respectively, and when physical channel shines upon, uses the code channel of 1 SF=8 to carry.Because the code channel of 1 SF=8 is equivalent to the empty code channel of 2 SF=16, therefore can the signaling on each data flow be mapped on the empty code channel of 1 SF=16, like this from each data flow, all the single current HS-SICH with prior art is identical.In addition, the Rankine-Hugoniot relations between the signaling of two data flow also can be arbitrarily, but must make an appointment.
Correspondingly, when Node B received HS-SICH, because UE feeds back HS-SICH according to the downlink traffic channel data flow number that Node B sends, so the HS-SICH that Node B knows the UE feedback was to several data flow.According to this data flow number that knows, Node B receives and detects HS-SICH from the relevant code track resource.
If single current HS-SICH, then Node B receives and detects HS-SICH from the code channel of corresponding 1 SF=16.
If double-current HS-SICH, then Node B receives and detection HS-SICH from the code channel of corresponding 1 SF=8, obtains each signaling information according to Rankine-Hugoniot relations between the signaling of two streams of making an appointment.
In this embodiment; Come to select to carry flexibly the code channel resource of HS-SICH according to the number of data flow; Use is similar to the encoding scheme of HS-SICH in the prior art; The each several part signaling information that is about on the HS-SICH channel is encoded separately respectively, and the output of will encoding is again carried out multiplexing, and is mapped to physical channel.
In this embodiment; UE feeds back HS-SICH according to the downlink traffic channel data flow number that Node B sends; Therefore Node B can know HS-SICH to several data flow, thereby can detect HS-SICH simply and easily, knows corresponding signaling information.
With reference to Fig. 4, be the flow chart of method the 4th embodiment of the HSPA+ MIMO of system transmission of the present invention, mainly may further comprise the steps:
Step 400; UE confirms each signaling on the HS-SICH according to the required data flow number that is directed against; Said data flow number is different with the data flow number possibility of the downlink traffic channel that UE receives; If UE need feed back single current HS-SICH, then confirm each signaling information on the single current, execution in step 411 then; If UE need feed back double-current HS-SICH, then confirm each signaling information on the double fluid, execution in step 421 then;
Step 412 is encoded to the significance bit and the filler of each signaling, can adopt the coded system identical with prior art;
When coding, can the significance bit and the filler of signaling be encoded separately, also can the significance bit of signaling be encoded with filler;
Step 413 is carried out the output of the each several part signaling behind the coding multiplexing;
Step 414 interweaves;
Step 415 is used code channel carrying the carrying out physical channel mapping of 1 SF=8;
Step 422 is multiplexed into the output of the each several part signaling behind the coding together;
Step 423 interweaves;
Step 424 is used code channel carrying the carrying out physical channel mapping of 1 SF=8.
Need to prove; In above-mentioned two kinds of situation, no matter be significance bit+filler of single current HS-SICH, or double-current HS-SICH; Rankine-Hugoniot relations between each signaling can be arbitrarily; But must make an appointment, like this Node B decoding during HS-SICH just can with the employed signaling of UE put in order consistent, thereby obtain corresponding signaling.
Correspondingly; When Node B receives HS-SICH; Though UE established data stream number is different with the data flow number possibility of the downlink traffic channel that UE receives, Node B can not directly confirm the HS-SICH of UE feedback to several data flow, and the single current of each signaling is isometric with double fluid; Then NodeB receives HS-SICH from the code channel of corresponding 1 SF=8, and through the one-time detection of HS-SICH being known data flow number and corresponding signaling information.Wherein, Node B can judge that the signaling information on the HS-SICH is single current or double fluid according to the bit of filler, is 6bits such as the RTBS under the single current, and the RTBS under the double fluid is 12bits; Can fill 0 of 6 bits to the RTBS under the single current so, total length also is 12bits like this.Behind the Node B decoding HS-SICH, read the filler of this 6bits earlier, if be complete 0, then explanation is single current HS-SICH, if non-0, then explains it is double-current HS-SICH.After having judged the data flow number, Node B can read each signaling information from significance bit.
The step of the method for describing in conjunction with embodiment disclosed herein can be directly with the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
The present invention also provides a kind of subscriber equipment, in TDD HSPA+ system, supports descending MIMO transmission.
As shown in Figure 5, be the structural representation of subscriber equipment first embodiment of the present invention:
This subscriber equipment comprises: the signaling that links to each other is successively confirmed unit 501, Multiplexing Unit 502, coding unit 503 and map unit 504, between Multiplexing Unit 502 and coding unit 503, also can further comprise verification unit 505.Wherein:
Signaling confirms that unit 501 is used for confirming each signaling on the high-speed shared information channel HS-SICH; Can confirm each signaling on the HS-SICH according to the downlink traffic channel data flow number that receives; Also can be to confirm each signaling on the HS-SICH according to channel condition; That is to say that the number of the HS-SICH corresponding data flow of subscriber equipment feedback can be identical with downlink traffic channel data flow number, also can be inequality; Multiplexing Unit 502 is used for all signal multiplexes as the HS-SICH signaling; Coding unit 503 is used for the HS-SICH signaling is carried out chnnel coding; Map unit 504 is used for chnnel coding is mapped to the code channel resource of distribution; Verification unit 505 is used for the HS-SICH signaling of said Multiplexing Unit output is carried out verification, can be CRC check, also can be that CRC check value and customer equipment identification are carried out exclusive or check, certainly, also can be other verifications.
Utilize the subscriber equipment of the embodiment of the invention; Can the each several part signaling information on the HS-SICH channel be multiplexed into earlier together; Encode then, be placed on than the more code channel resource of existing standard and carry, such as the code channel of SF=8; Can feed back the affirmation of UE on the HS-SICH channel thereby make to the double-current data of reception, and transmission block size and modulation system on the data flow number in Node B is recommended in next TTI and each data flow.
In this embodiment, the HS-SICH signaling after multiplexing is not isometric under single current and double fluid through Multiplexing Unit 502.Like this, Node B can carry out blind Detecting to HS-SICH according to single current and double-current dual mode when receiving HS-SICH, knows data flow number and corresponding signaling information.
The process of utilizing the subscriber equipment of the embodiment of the invention to carry out the MIMO transmission can be not described in detail at this with reference to the explanation among front the inventive method first embodiment.
As shown in Figure 6, be the structural representation of subscriber equipment second embodiment of the present invention:
With embodiment illustrated in fig. 5 different be; In this embodiment; Said subscriber equipment except comprise with Fig. 5 in the identical signaling of corresponding units confirm unit 601, Multiplexing Unit 602, coding unit 603, map unit 604 and the verification unit 605; Between Multiplexing Unit 602 and verification unit 605, also comprise filler cells 606, be used for that the HS-SICH signaling under the single current after multiplexing is carried out bit and fill.
In this embodiment, utilize filler cells 606, can make through Multiplexing Unit 602 the HS-SICH signaling after multiplexing is isometric under single current and double fluid.Like this, Node B just can judge that the signaling information on the HS-SICH is single current or double fluid according to the bit of filler when receiving HS-SICH, after having confirmed the data flow number, can read each signaling information from significance bit.
The process of utilizing the subscriber equipment of the embodiment of the invention to carry out the MIMO transmission can be not described in detail at this with reference to the explanation among front the inventive method second embodiment.
As shown in Figure 7, be the structural representation of subscriber equipment the 3rd embodiment of the present invention:
This subscriber equipment comprises: cell 701, coding unit 702, Multiplexing Unit 703 and map unit 704 successively really link to each other.Wherein: confirm that unit 701 is used for confirming each signaling on the high-speed shared information channel HS-SICH, and confirm to carry the code channel resource of HS-SICH according to downlink traffic channel data flow number; Coding unit 702 is used for each signaling on the HS-SICH is encoded separately respectively; Multiplexing Unit 703 is used for all signal multiplexes behind the coding; Map unit 704 is used for the output of Multiplexing Unit is mapped to the code channel resource of definite carrying HS-SICH.
Utilize the subscriber equipment of the embodiment of the invention; Through confirming that unit 701 selects to carry flexibly the code channel resource of HS-SICH according to the data flow number; Can adopt the encoding scheme that is similar to HS-SICH in the prior art; The each several part signaling information that is about on the HS-SICH channel is encoded separately respectively, and the output of will encoding is again carried out multiplexing, and is mapped to physical channel.Can feed back the affirmation of UE on the HS-SICH channel thereby make to the double-current data of reception, and transmission block size and modulation system on the data flow number in Node B is recommended in next TTI and each data flow.
In this embodiment, under single current and double fluid, be not isometric through the HS-SICH signaling behind coding unit 702 codings, owing to do not have CRC check to exist, so Node B can't use blind Detecting to know the data flow number that HS-SICH is directed against.Therefore, the data flow number that needs HS-SICH to be directed against among this embodiment equals the downlink traffic channel data flow number that subscriber equipment receives.
The process of utilizing the subscriber equipment of the embodiment of the invention to carry out the MIMO transmission can be not described in detail at this with reference to the explanation among front the inventive method the 3rd embodiment.
As shown in Figure 8, be the structural representation of subscriber equipment the 4th embodiment of the present invention:
With embodiment illustrated in fig. 7 different be; In this embodiment; Said subscriber equipment except comprise with Fig. 7 in the identical cell really of corresponding units 801, coding unit 802, Multiplexing Unit 803 and the map unit 804; Between definite unit 801 and coding unit 802, also comprise filler cells 805, be used for that the HS-SICH signaling under the single current after multiplexing is carried out bit and fill.
In this embodiment, utilize filler cells 805, can make the HS-SICH signaling of coding unit 802 inputs is isometric under single current and double fluid.Like this, Node B just can judge that the signaling information on the HS-SICH is single current or double fluid according to the bit of filler when receiving HS-SICH, after having confirmed the data flow number, can read each signaling information from significance bit.
The process of utilizing the subscriber equipment of the embodiment of the invention to carry out the MIMO transmission can be not described in detail at this with reference to the explanation among front the inventive method the 4th embodiment.
Above-described various embodiments of the present invention do not constitute the qualification to protection range of the present invention.Any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within the claim protection range of the present invention.
Claims (19)
1. the method for a high-speed packet access evolution system MIMO transmission is characterized in that, comprising:
Subscriber equipment confirms that according to the downlink traffic channel data flow number that receives high-speed shared information channel HS-SICH goes up each signaling of carrying; Specifically comprise:, confirm that then HS-SICH goes up the signaling of carrying single current if the downlink traffic channel data flow number that receives is a single current; If be double fluid, confirm that then HS-SICH goes up the signaling of carrying double fluid; Perhaps subscriber equipment confirms that according to channel condition HS-SICH goes up each signaling of carrying, and specifically comprises: if the next downlink traffic channel of subscriber equipment suggestion adopts single current to send, confirm that then HS-SICH goes up the signaling of carrying single current; If the next downlink traffic channel of subscriber equipment suggestion adopts double fluid to send, confirm that then HS-SICH upward carries the signaling of double fluid;
Each signal multiplex that said HS-SICH go up is carried is as the HS-SICH signaling;
Said HS-SICH signaling is carried out chnnel coding, and be mapped on the code channel resource of distribution.
2. method according to claim 1 is characterized in that, also comprises:
Before said HS-SICH signaling is carried out chnnel coding, said HS-SICH signaling is carried out verification.
3. method according to claim 2 is characterized in that, saidly the HS-SICH signaling is carried out verification comprises:
Said HS-SICH signaling is carried out CRC; Or
Said HS-SICH signaling is carried out CRC and said cyclic redundancy check value and customer equipment identification are carried out exclusive or check.
4. according to each described method of claim 1 to 3, it is characterized in that single current is unequal with the length of double-current said HS-SICH signaling down, said method also comprises:
If network side is not known the data flow number that the HS-SICH signaling is directed against, then obtain each signaling information through blind Detecting.
5. according to each described method of claim 1 to 3, it is characterized in that, single current and the double-current equal in length of said HS-SICH signaling down, said method also comprises:
Before said HS-SICH signaling is carried out chnnel coding, the said HS-SICH signaling under the single current is carried out bit fill.
6. method according to claim 5 is characterized in that, also comprises:
Network side is confirmed the data flow number that the HS-SICH signaling information is directed against according to the bit of filler;
The data flow number that is directed against according to said HS-SICH signaling information is confirmed the significance bit of HS-SICH signaling information;
Begin to obtain each signaling information that HS-SICH carries from significance bit.
7. method according to claim 1 is characterized in that, the code channel resource of said distribution comprises: 1 spreading factor is 8 or is lower than 8 code channel.
8. the method for a high-speed packet access evolution system MIMO transmission is characterized in that, comprising:
Subscriber equipment confirms that according to the downlink traffic channel data flow number that receives high-speed shared information channel HS-SICH goes up each signaling of carrying; Specifically comprise:, confirm that then HS-SICH goes up the signaling of carrying single current if the downlink traffic channel data flow number that receives is a single current; If be double fluid, confirm that then HS-SICH goes up the signaling of carrying double fluid; Perhaps subscriber equipment confirms that according to channel condition HS-SICH goes up each signaling of carrying, and specifically comprises: if the next downlink traffic channel of subscriber equipment suggestion adopts single current to send, confirm that then HS-SICH goes up the signaling of carrying single current; If the next downlink traffic channel of subscriber equipment suggestion adopts double fluid to send, confirm that then HS-SICH upward carries the signaling of double fluid;
Confirm to carry the code channel resource of HS-SICH;
HS-SICH is gone up each signaling of carrying to encode separately respectively;
Each signal multiplex behind the coding as the HS-SICH signaling, is mapped to said HS-SICH signaling on the code channel resource of definite carrying HS-SICH.
9. method according to claim 8 is characterized in that, the code channel resource of said definite carrying HS-SICH comprises:
If downlink traffic channel data flow number is a single current, then distributing 1 spreading factor is that 16 code channel is as the code channel resource that carries HS-SICH;
If downlink traffic channel data flow number is a double fluid, then distributing 1 spreading factor is that 8 code channel is as the code channel resource that carries HS-SICH.
10. method according to claim 8 is characterized in that, single current is unequal with the length of double-current said HS-SICH signaling down.
11. method according to claim 8 is characterized in that, single current and the double-current equal in length of said HS-SICH signaling down, and said method also comprises:
Before each signaling of on to HS-SICH, carrying is encoded separately respectively, the said HS-SICH signaling under the single current is carried out bit fill.
12. method according to claim 11 is characterized in that, said each signaling that HS-SICH is upward carried is encoded separately respectively and is comprised:
To significance bit in the HS-SICH signaling that comprises filler and significance bit under the single current and filler coding.
13. method according to claim 12 is characterized in that, also comprises:
Network side is confirmed the data flow number that the HS-SICH signaling information is directed against according to the bit of said filler;
The data flow number that is directed against according to said HS-SICH signaling information is confirmed the significance bit of the signaling information on the HS-SICH;
Begin to obtain each signaling information that HS-SICH carries from significance bit.
14. a subscriber equipment is characterized in that, comprising:
Signaling is confirmed the unit; Be used for confirming that according to the downlink traffic channel data flow number that receives high-speed shared information channel HS-SICH goes up each signaling of carrying; Specifically comprise:, confirm that then HS-SICH goes up the signaling of carrying single current if the downlink traffic channel data flow number that receives is a single current; If be double fluid, confirm that then HS-SICH goes up the signaling of carrying double fluid; Perhaps confirm that according to channel condition HS-SICH goes up each signaling of carrying, and specifically comprises:, confirm that then HS-SICH goes up the signaling of carrying single current if the next downlink traffic channel of subscriber equipment suggestion adopts single current to send; If the next downlink traffic channel of subscriber equipment suggestion adopts double fluid to send, confirm that then HS-SICH upward carries the signaling of double fluid;
Multiplexing Unit confirms that with said signaling the unit links to each other, and each signal multiplex that is used for HS-SICH is gone up carrying is as the HS-SICH signaling;
Coding unit links to each other with said Multiplexing Unit, is used for said HS-SICH signaling is carried out chnnel coding;
Map unit links to each other with said coding unit, is used for the bit sequence of said coding unit output is mapped to the code channel resource of distribution.
15. subscriber equipment according to claim 14 is characterized in that, also comprises:
Verification unit links to each other with said coding unit with said Multiplexing Unit respectively, is used for the said HS-SICH signaling of said Multiplexing Unit output is carried out verification.
16. subscriber equipment according to claim 15 is characterized in that, single current is unequal with the length of double-current said HS-SICH signaling down, and said subscriber equipment also comprises:
Filler cells links to each other with verification unit with said Multiplexing Unit respectively, is used for that the said HS-SICH signaling under the single current after multiplexing is carried out bit and fills.
17. a subscriber equipment is characterized in that, comprising:
Confirm the unit; Be used for confirming that according to the downlink traffic channel data flow number that receives high-speed shared information channel HS-SICH goes up each signaling of carrying; Specifically comprise:, confirm that then HS-SICH goes up the signaling of carrying single current if the downlink traffic channel data flow number that receives is a single current; If be double fluid, confirm that then HS-SICH goes up the signaling of carrying double fluid; Perhaps confirm that according to channel condition HS-SICH goes up each signaling of carrying; And definite code channel resource that carries HS-SICH; Saidly confirm that according to channel condition each signaling that HS-SICH go up to carry specifically comprises:, confirm that then HS-SICH goes up the signaling of carrying single current if the downlink traffic channel of subscriber equipment suggestion next time adopts single current to send; If the next downlink traffic channel of subscriber equipment suggestion adopts double fluid to send, confirm that then HS-SICH upward carries the signaling of double fluid;
Coding unit links to each other with said definite unit, is used for that HS-SICH is gone up each signaling of carrying and encodes separately respectively;
Multiplexing Unit links to each other with said coding unit, is used for each signal multiplex behind the coding as the HS-SICH signaling;
Map unit links to each other with said Multiplexing Unit, is used for the HS-SICH signaling of Multiplexing Unit output is mapped to the code channel resource of definite carrying HS-SICH.
18. subscriber equipment according to claim 17 is characterized in that, HS-SICH goes up the equal in length of the signaling of carrying under single current and the double fluid, and said subscriber equipment also comprises:
Filler cells links to each other with coding unit with said definite unit respectively, is used for that HS-SICH signaling under the single current is carried out bit and fills.
19. according to claim 17 or 18 described subscriber equipmenies, it is characterized in that,
Said definite unit is confirmed by following principle when confirming the code channel resource of carrying HS-SICH:
If downlink traffic channel data flow number is a single current, then distributing 1 spreading factor is that 16 code channel is as the code channel resource that carries HS-SICH;
If downlink traffic channel data flow number is a double fluid, then distributing 1 spreading factor is that 8 code channel is as the code channel resource that carries HS-SICH.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101193631A CN101668336B (en) | 2008-09-04 | 2008-09-04 | Method and equipment for MIMO transmission of high-speed packet access evolution system |
| KR1020117007741A KR101291464B1 (en) | 2008-09-04 | 2009-09-04 | Method and device for mimo transmission in high speed packet access evolution system |
| US13/062,149 US8848735B2 (en) | 2008-09-04 | 2009-09-04 | Method and device for MIMO transmission in high speed packet access evolution system |
| PCT/CN2009/001003 WO2010034182A1 (en) | 2008-09-04 | 2009-09-04 | Method and device for mimo transmission in high speed packet access evolution system |
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| CN2008101193631A CN101668336B (en) | 2008-09-04 | 2008-09-04 | Method and equipment for MIMO transmission of high-speed packet access evolution system |
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| CN101668336A CN101668336A (en) | 2010-03-10 |
| CN101668336B true CN101668336B (en) | 2012-05-02 |
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| US (1) | US8848735B2 (en) |
| KR (1) | KR101291464B1 (en) |
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| US8830918B2 (en) * | 2009-03-16 | 2014-09-09 | Interdigital Patent Holdings, Inc. | Method and apparatus for performing uplink transmit diversity |
| US9125149B2 (en) * | 2009-09-30 | 2015-09-01 | Qualcomm Incorporated | Method and apparatus for enhancement of synchronization for TD-SCDMA baton handover |
| US8743799B2 (en) | 2010-06-24 | 2014-06-03 | Nokia Siemens Networks Oy | Change of rate matching modes in presence of channel state information reference signal transmission |
| TW201234793A (en) | 2011-02-11 | 2012-08-16 | Interdigital Patent Holdings | Method and apparatus for closed loop transmit diversity transmission initial access |
| CN103379640B (en) * | 2012-04-16 | 2018-08-28 | 马维尔国际有限公司 | For the method and apparatus that time slot distributes in HS-DSCH/HS-SICH transmissions |
| US20150071263A1 (en) * | 2013-09-10 | 2015-03-12 | Qualcomm Incorporated | Channel quality index (cqi) reporting in wireless network |
| EP3536019A4 (en) * | 2016-11-04 | 2020-06-24 | Nokia Technologies Oy | Single cell point-to-multipoint feedback |
| CN113839744B (en) * | 2021-09-22 | 2022-09-02 | 重庆大学 | Blind detection method of generalized wireless optical MIMO system based on deep learning |
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| KR101291464B1 (en) | 2013-07-30 |
| WO2010034182A1 (en) | 2010-04-01 |
| US20110261833A1 (en) | 2011-10-27 |
| KR20110066160A (en) | 2011-06-16 |
| US8848735B2 (en) | 2014-09-30 |
| CN101668336A (en) | 2010-03-10 |
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